Drill guide



Sept. 20, 1960 A. c. cARLEs 2,953,045

DRILL GUIDE Filed March 17, 1959 s sheets-sheet 1 INVENTOR.

WP/VE/f sePt- 20, 1960 A, c. cARLEs 2,953,045

DRILL GUIDE Filed March 17. 1959 3 Sheets-Sheet 2 INVENTOR.

A. c. cARLEs 2,953,045

DRILL GUIDE Sept. 20, 1960 3 Sheets-Sheet 3 Filed March 17. 1959INVENTOR.

95ans Patented Sept. 20, 1960 DRILL GUIDE .lonza C. Carles, 1507 B PikeRoad, Fort Bliss, Tex.

Filed Mar. 17, 1959, Ser. No. '800,025

1 Claim. (ci. 77-7) yThis invention relates to a guide `for a tool, andmore -Yparticularly -to a guide for a drill.

The object of the invention is to provide a drill guide which willpermit the drill to Ibe conveniently moved towards or Aaway 'from thework being drilled, and wherein .the present invention is constructed sothat a hole or opening can be drilled at any desired angular position.

Another object of the invention is to provide a drill guide which isadapted to be used with a conventional =dril1 such as 'an electric drilland wherein a means is pro- Vvided for conveniently engaging and holdingthe work which is being drilled, and wherein there is also provided :anadjustable stop means for limiting travel of the drill.

A further object of the invention is to provide a drill guide which isextremely simple and inexpensive to manulfacture.

Other objects and advantages will be apparent during 'the course of thefollowing description.

In the accompanying drawings, forming a part of this zapplication, andin which like numerals are used to desig- .nate like parts throughoutthe same.

Figure 1 is a side elevational view illustrating the drill ,guide of thepresent invention.

Figure 2 is a sectional view taken on the line 2 2 of .Figure l.

Figure 3 is a sectional view taken on the line 3 3 of VFigure 2.

Figure 4 is `a sectional view taken on the line 4 4 of Figure 2.

Figure 5 is a top -plan view of the base, with parts .broken away and insection.

Figure 6 is an elevational View showing a modified base, .and showingthe standard adjusted to a 45 position.

Figure 7 is a top plan `View of the base of Figure 6.

Figure 8 is a sectional view taken through the base of Figure 7.

Figure 9 is a sectional view taken on the line 9 9 of Figure 8.

Figure 10 is a perspective view of the bracket for use `.with theassembly of Figures 1-5.

Figure l1 is a vertical sectional view showing a modi- Jed bracket.

Figure l2 is an end elevational view of the assembly of Figure l1.

Figure 13 is Va sectional view taken on the line 13 13 fof Figure 11.

Figure 14 is a sectional view taken on the line 14 14 of Figure 11.

Figures 15 and 16 are fragmentary perspective views fshowing the memberswhich form part of the bracket of Figure 11.

Figure 17 is a plan view illustrating one of the strap assemblies.

Referring in detail to the drawings and more partic- Aularly to Figures1 5 of the drawings, there is shown a drill guide which includes a ibasethat is indicated genervally by the numeral 20, and the base 20 includes|a lower flat surface 21 for engagement with la work surface such as atable 22. The base 20 is provided with a V-shaped recess 23 in the lowerportion thereof whereby workpiece to be drilled such as a pipe c an beextended through the -recess 23, in order to help hold the pipe or othermember stationary or steady while being worked on.

The numeral 24 indicates a handle which includes a threaded `shank 25that threadedly engages one of the threaded openings 26 -in the base 20,and the handle 24 provides -a handgrip for use in steadying the devicewhen a workpiece is being drilled. As shown in Figure 5 for example,.the base 20 is provided with an enlarged opening 27, and extendingupwardly from the base 2() is a flange 28 which is provided with acurved slot 29, Figure 2. The numeral 30 indicates scale markings orindicia which is arranged on the ange 28 so as to define a gauge orscale, and :a securing element or bolt 31 serves to connect the lowerend of an adjustable standard 35 to the iiange 28. The numeral 32indicates a securing element or bolt which extends through the slot 29in the ange 28 and the securing element 32 also extends through thestandard 35 and has -a wing nut 33 thereon, Figure 1. A pointer 34 iscarried by the standard 35, and the pointer 34 is adapted to coact withthe scale 30 so as lto provide an accurate means of setting the standard35 to the desired angular position.

As shown in Figures 2 and 4, there is provided an adjustable slide stopwhich is indicated generally by the numeral 38, and the standard 35 isprovided with an elongated longitudinally extending cutout which isindicated by the numeral 36. Portions of the standard 35 contiguous tothe cutout 36 #are tapered -as indicated by the numeral 37. Theadjustable slide stop 38 includes a pair of members 39 which arefastened together by means of a securing element such as the bolt 40which has a wing nut 41 thereon. Edge portions of the members 39 aretapered or inclined `as indicated by the numeral 42 so as to conform tothe congura-tion of the adjacent portions 37 of the standard 35.

There is further provided an adjustable support member which isindicated generally by the numeral 43, and the support member 43includes a pair of elements 44 which are of similar construction, andthe elements 44 have portions thereof projecting into the cutout 36. Theelements 44 are fastened together by means of bolts 45 which have nuts46 thereon, Figures 2 and 3. The stop member 38 is adapted to be usedfor limiting downward travel of the support member 43, and the stopmember 38 can be adjusted on the standard 35 so as to permit the lengthof travel of the support member 43 to be varied or regulated as desired.The edge portions of the elements 44 are tapered or beveled as at 47 soas to insure a snug t with the portions 37 of the standard 35.

There is further provided a bracket which is indicated generally by thenumeral 48, and the bracket 48 includes spaced apart portions 49 and 50which are provided with openings 51, Figure 10, whereby the securingelements such as the bolts 45 can extend throughV these openings 51 inorder to fasten the bracket 48 to the support member 43. The bracket 48further includes a straight section 52 which is provided with aplurality of spaced apart apertures 53, and the numeral 54 indicateseach of a plurality of adjustable straps which are arranged contiguousto the bracket 48. The straps 54 are provided with adjustable clasps 55,and the numeral 56 indicates a conventional tool such as an electricdrill which is surrounded or held by the straps 54, the drill 56 beingprovided with the usual bit 57. The straps 54 are fastened to thebracket 48 by means of securing elements such as the bolts 58 which havenuts thereon, and the bolts 58 are adapted to extend through theapertures 53 in the bracket 48. 'Ihe drill l56 is provided with theusual handle 59.

Referring now to Figures 6-9 of the drawings, there is shown a modiiedbase which is indicated generally by the numeral 60, and the base 60 isadapted to be used in lieu of or instead of the base 20. VThe base 60includes a bottom portion 61*as well as a pair of angularly arrangedears l62, and the ears -62may be arranged at a 45 angle with respect tothe bottom portion 61, Figure 6. The base 60 is provided with anenlarged opening 63 as Well as a V-shap'ed recess 64 through which isadapted to extend or project a member such as the pipe 65 which is beingdrilled or worked on.

Referring now to Figures ll-16 of the'drawings, there is illustrated amodiiied bracket which is indicatedY generally by the numeral 66, andthe bracket 66 is' adapted to be used in place of the bracket 48. Thebracket'6'6 comprises a main body member 67 which includes a liatsection 68 which is provided with a plurality of spaced apart apertures69. The member 67 further includes end portions which are provided withslots 70, and there is further provided L-shaped members 71 and 72 whichhave slots 74 through which extend bolts 73, and the bolts 73 'areadapted to have nuts 75 thereon. Straps such as the straps 54 areadapted to be fastened to the bracket `66, andthe bracket 66 is adaptedVto be connected to the support member 43, as for example by meansY ofthe bolts 45.

From the foregoing, it is apparent that there has been provided a guidewhich is especially suitable for use with a tool such as the drill 56.When using the assembly of Figures l-5, the base 20 may be arranged on avsuitable'work surface such as a table 22, and the V-shaped recess 23serves to receive a member to be worked on such as a pipe or the like.As shown in Figure 3 for example, there is a space between the pair ofelements 39 which permits the support member 43 to slide up and down onthe standard 35. Thus, with the workpiece extending through the recess23, it will be seen that the drill 56 can be gripped by its handle 59and then the drill can be moved up or down so as to drill a hole in themember such as the pipe. In view of the fact that the drill 56 -isconnected to the bracket 48 by means of the straps 54, and since thebracket 48 is fastened to the support member 43 by means of the boltsy45, it will be seen that up and down movement of the drill 56 withrespect to the standard k3S is permissibleso that the bit V57 can bemoved to the desired position. Y

r[he stop member 38 is fastened to the standard 35 by means of the bolts40,' and when the bracket 48 and its associated parts moves downward asuiiicient distance, the stop 38 will be engaged `or contacted so as tolimit further downward travel or movement of the support member 43. Byloosening the Wing nut 41, the position of the stop 38 can be adjustedon the standard 35, and then the wing nut 41 can be tightened so as tomaintain the stop immobile in Vits desired position. Y

The straps 54 which surround the drill 56 are provided with adjustableclasps 55 and this arrangement serves to insure Ythat the straps willaccommodate or fit on drills of different shapes Vor sizes. Furthermore,the provision of a plurality of apertures 53 provides a furtheradjustment since the bolts S Vcan be extended through didierent of theseapertures l5,73 whereby the drill 56 can be supported in the desiredposition. Y Y l Furthermore, by loosening the wing nut 33, the standard35 can be pivoted about the pin 31, and then the wing 'nu-t33Vcanbeptightened so as to maintain the standard 35 immobile in itsVadjusted position. The pointer 34 'whichis carried by the standard 35coactswith the scale markings 30 which provides a means for accuratelysetting the vstandard 35 and its associated parts at the desiredposition. For example as'shown in Figurej the vstandardl 35 can be movedfrom the solid line position to the broken line 'position so that thedrill 'can be used for drilling holes or openings in the workpieceatdifferent angles;

The handle 24 is adapted to be gripped so as to provide a means forsteadying the device and the handle 24 may have its shank 25 engageeither of the pair of threaded openings 26 in the base 20.

In the modification of Figures 6-9, the base 60 is adapted yto be usedinstead of the base 20, and otherwise the use and construction of thedevice is the same as previously described. Thus, the base '60 includesthe V-shaped recess 64 through which extends the pipe 65, and the ange28 on theY base 60 provides a pivotal support for the standard 35 in thesame manner that the ange 2,8 provides a pivotal support on the base 20.

In Figures'll-l there is illustrated a modied bracket 66 which can beused instead of thebracket 48. Thus, the bracket 66 is adapted to havestraps such as the straps 54 fastened thereto as for example by means ofthe bolts 5S, and the bracket 66 is adapted yto be connected to thesupport member 43Y by means of the bolts 45. The straps 54 will engagethe d-rill such` as the drill 56 so that by manually moving the drill upor down, the bracket 56 'will move up and down and at the same time thesupport member 43 will move up and down in the cutout 36 of the standard35. The provision of the slots such as the slots 74 and 70 permit thenuts 75 Ito be loosened on the bolts 73 until the elements 67 and 71 and72 are in their desired position and then these nuts 75 can be tightenedso as to maintain the parts immobile in their desired position. The bolt58V can -be extended through any of the openings or apertures 69 in themember 67 so as to provide a further adjustment.

The parts can ybe made of any suitable material and in different shapesor sizes.

The handle 24 can be used optionally on either side of the block `orbase 20. With the guide of `the present invention, the drill can be usedfor drilling holes or openings in various types of workpieces. Holes ina vertical or horizontal or angular position can be drilled, and thedevice can be usedin hard to reach places.

The device is adapted to be used with an electric drill and it willpermit or insure more stable operation of a hand drill and it Will makepossible straight or angle holes in any type of normally used operationof an electric hand drill. Diliicult to reach places can be drilled, andthe device can be used to facilitate the drilling of straight or angleholes in pipes or corners where the use of a V block would normally beused.

The iiange 28 may be made integral with the block or base or else it canbe made as a separa-te piece. One or two of the straps 54 may be usedand the device will t drills of diierent sizes.

Minor changes in shape, size and rearrangement of details coming withinthe eld of invention claimed may be ,resorted to in actual practice, ifdesired.

I claim:`

In a drill guide, a base including a lower Yflat surface, there being aV-shaped recess in the lower portion of said base, a handle detaohablyconnected to said base, there being an enlarged opening in said base, aflange extending upwardly from one side of said base and provided with aVcurved slot, there being indicia on said ange contiguous to said slotdefining a scale, a standard pivotally connected to said flange, asecuring element extending 'through said standard and through .the slotin said flange, a pointer carried by said standard lfor coaction rWithsaid scale, there being an elongated longitudinally extending cutout insaid standard, edge portions of said standard contiguous to said cutouthaving a tapered formation, a slide stop having a pair of membersfastened together and said slide stop being adjustably mountedcontiguous to said cutout, a support Vmember adjustably connected `tosaid standard and said support member including a pair of elementsfastened together contiguous to said cutout, edge portions of saidsupport'memberand edge portions of lsaid stop *havinga taperedV:formation tf1-conform 5 6 to the -tapered coniiguration of theadjacent portions of through said apertures for connecting said strapsto said the standard, a bracket including spaced apart portions bracket.fastened to said support member, said bracket further including astraight section provided with a plurality of References Cmd m the me ofdus patent spaced apart apertures, adjustable straps arranged con- 5UNITED STATES PATENTS tiguous to said bracket, and securing elementsextending 2,832,241 Nelson Apr. 29, 1958

